WO2020244381A1 - Procédé et appareil utilisés dans un nœud dans une radiocommunication - Google Patents

Procédé et appareil utilisés dans un nœud dans une radiocommunication Download PDF

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Publication number
WO2020244381A1
WO2020244381A1 PCT/CN2020/091068 CN2020091068W WO2020244381A1 WO 2020244381 A1 WO2020244381 A1 WO 2020244381A1 CN 2020091068 W CN2020091068 W CN 2020091068W WO 2020244381 A1 WO2020244381 A1 WO 2020244381A1
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signal
power
type
information
sub
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PCT/CN2020/091068
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English (en)
Chinese (zh)
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吴克颖
张晓博
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上海朗帛通信技术有限公司
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Publication of WO2020244381A1 publication Critical patent/WO2020244381A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets

Definitions

  • This application relates to a transmission method and device in a wireless communication system, and in particular to a transmission method and device related to a side link (Sidelink) in wireless communication.
  • Sidelink side link
  • V2X Vehicle-to-Everything
  • 3GPP has also started standard formulation and research work under the NR framework.
  • 3GPP has completed the formulation of requirements for 5G V2X services and has written it into the standard TS22.886.
  • 3GPP defines 4 Use Case Groups for 5G V2X services, including: Automated Queued Driving (Vehicles Platnooning), Support for Extended Sensors (Extended Sensors), Semi/Fully Automatic Driving (Advanced Driving) and Remote Driving ( Remote Driving).
  • Automated Queued Driving Vehicle-to-Everything
  • Advanced Driving Advanced Driving
  • Remote Driving Remote Driving
  • NR V2X Compared with the existing LTE (Long-term Evolution) V2X system, NR V2X has a remarkable feature that it supports unicast and supports power control based on the path loss on the side link (SideLink). Based on the results of the 3GPP RAN1#97 meeting, when a UE (User Equipment) is configured with power control based on the path loss on the downlink (Downlink) and the secondary link at the same time, the UE will choose the two methods respectively. The minimum value of the generated power.
  • This application discloses a method used in a first node of wireless communication, which is characterized in that it includes:
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the first signal carries first information
  • the first The information is related to the difference between the second power and the first power
  • the sending of the first information is triggered by a first condition.
  • the problem to be solved by this application includes: how to calculate the secondary link when the transmission power on the secondary link is constrained by both the downlink path loss-based power control and the secondary link path loss-based power control PHR report on the website.
  • the above method solves this problem by determining the report information according to the difference of the power obtained by the two methods.
  • the characteristic of the above method is that the first power is power obtained based on the downlink path loss, and the second power is power obtained based on the secondary link path loss. The difference between the first power and the second power is used to determine the first information.
  • the benefits of the above method include: more accurately reflecting the power headroom of the secondary link.
  • the advantages of the above method include: avoiding that the power control based on the downlink path loss severely restricts the transmission power on the secondary link, thereby causing the performance of the secondary link to decrease.
  • the first signaling is used to determine the time-frequency resource occupied by the first signal.
  • the first information includes a first difference value
  • the first power and the second power are used to determine the first difference value
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the measurement for the second type signal is used to determine the third information, and the third information is used to determine the second power; the first node sends the second type signal.
  • measurement for the first type of signal is used to determine the fourth information, and the fourth information is used to determine the first power; the first node sends the first type of signal.
  • the measurement for the second type of signal is used to determine K path losses, and K is a positive integer greater than 1, and the K path losses are used to determine the first Two power.
  • the transmission power of the second signal is the minimum value of the first power and the second power.
  • the second information is used to determine the transmission power of the third signal; the second time window is later than the time domain resources occupied by the first signal.
  • the first node is a user equipment.
  • the first node is a relay node.
  • This application discloses a method used in a second node of wireless communication, which is characterized in that it includes:
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the second type of signal is different from the first type of signal.
  • a node of the sender sends; the first signal carries first information, and the first information is related to the difference between the second power and the first power; the sending of the first information is subject to the first condition trigger.
  • the first signaling is used to determine the time-frequency resource occupied by the first signal.
  • the first information includes a first difference value
  • the first power and the second power are used to determine the first difference value
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the measurement for the first type of signal is used to determine the fourth information, and the fourth information is used to determine the first power; the second node receives the first type of signal.
  • the measurement for the second type of signal is used to determine K path losses, and K is a positive integer greater than 1, and the K path losses are used to determine the first Two power.
  • the second information is used to determine the transmission power of the third signal; the third signal is transmitted in a second time window, and the second time window is later than the time domain occupied by the first signal Resources.
  • the second node is a base station device.
  • the second node is a user equipment.
  • the second node is a relay node.
  • This application discloses a method used in a third node for wireless communication, which is characterized in that it includes:
  • the measurement for the first type of signal is used to determine the first power, and the first type of signal is sent by a node different from the sender of the target second type of sub-signal; the second type of signal includes the target The second type of sub-signal, the measurement of the second type of signal is used to determine the second power; the first information is related to the difference between the second power and the first power; the transmission of the first information Triggered by the first condition.
  • the first information includes a first difference value
  • the first power and the second power are used to determine the first difference value
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the measurement of the target second-type sub-signal is used to determine the target third sub-information; the third information includes the target third sub-information, and the third information is used to determine the second Power; the third node receives the target second-type sub-signal.
  • the measurement for the second type of signal is used to determine K path losses, and K is a positive integer greater than 1, and the K path losses are used to determine the first Two power.
  • the transmission power of the second signal is the minimum value of the first power and the second power.
  • the second time window is later than the time domain resource used to send the first information.
  • the third node is user equipment.
  • the third node is a relay node.
  • This application discloses a first node device used for wireless communication, which is characterized in that it includes:
  • the first processor receives the first type signal or sends the first type signal, and sends the second type signal or receives the second type signal;
  • the first transmitter sends the first signal
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the first signal carries first information
  • the first The information is related to the difference between the second power and the first power
  • the sending of the first information is triggered by a first condition.
  • This application discloses a second node device used for wireless communication, which is characterized in that it includes:
  • the second processor sends the first type of signal or receives the first type of signal
  • the second receiver receives the first signal
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the second type of signal is different from the sender of the first type of signal
  • the first signal carries first information, and the first information is related to the difference between the second power and the first power; the sending of the first information is triggered by a first condition .
  • This application discloses a third node device used for wireless communication, which is characterized in that it includes:
  • the third processor receives the target second-type sub-signal or sends the target second-type sub-signal;
  • the measurement for the first type of signal is used to determine the first power
  • the first type of signal is sent by a node device that is different from the sender of the target second type of sub-signal
  • the second type of signal includes the The target second-type sub-signal
  • the measurement of the second-type signal is used to determine the second power
  • the first information is related to the difference between the second power and the first power
  • the value of the first information The sending is triggered by the first condition.
  • this application has the following advantages:
  • Fig. 1 shows a flow chart of the first type of signal, the second type of signal and the first signal according to an embodiment of the present application
  • Figure 2 shows a schematic diagram of a network architecture according to an embodiment of the present application
  • Fig. 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application
  • Fig. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application
  • Figure 5 shows a flow chart of transmission according to an embodiment of the present application
  • Figure 6 shows a flow chart of transmission according to an embodiment of the present application
  • Fig. 7 shows a schematic diagram of the first power according to an embodiment of the present application.
  • Fig. 8 shows a schematic diagram of the second power according to an embodiment of the present application.
  • Fig. 9 shows a schematic diagram of the second power according to an embodiment of the present application.
  • FIG. 10 shows a schematic diagram of sending of first information triggered by a first condition according to an embodiment of the present application
  • Fig. 11 shows a schematic diagram of first signaling according to an embodiment of the present application.
  • FIG. 12 shows a schematic diagram of the first information including the first difference value according to an embodiment of the present application
  • FIG. 13 shows a schematic diagram of the first condition according to an embodiment of the present application.
  • FIG. 14 shows a schematic diagram of the first information including the first sub-information according to an embodiment of the present application
  • FIG. 15 shows a schematic diagram of a second type of signal measurement used to determine K path losses according to an embodiment of the present application
  • FIG. 16 shows a schematic diagram of K path losses used to determine the second power according to an embodiment of the present application
  • FIG. 17 shows a schematic diagram of K path losses used to determine the second power according to an embodiment of the present application.
  • Fig. 18 shows a schematic diagram of a second signal according to an embodiment of the present application.
  • Fig. 19 shows a schematic diagram of second information according to an embodiment of the present application.
  • FIG. 20 shows a schematic diagram of a first node sending a third signal in a second time window according to an embodiment of the present application
  • Fig. 21 shows a structural block diagram of a processing apparatus used in a first node device according to an embodiment of the present application
  • Fig. 22 shows a structural block diagram of a processing apparatus for a device in a second node according to an embodiment of the present application
  • FIG. 23 shows a structural block diagram of a processing apparatus for equipment in a third node according to an embodiment of the present application.
  • Figure 24 shows a flow chart of transmission according to an embodiment of the present application.
  • Figure 25 shows a flow chart of transmission according to an embodiment of the present application.
  • FIG. 26 shows a schematic diagram of third information according to an embodiment of the present application.
  • Fig. 27 shows a schematic diagram of fourth information according to an embodiment of the present application.
  • Embodiment 1 illustrates a flow chart of the first type of signal, the second type of signal and the first signal according to an embodiment of the present application, as shown in FIG. 1.
  • each box represents a step.
  • the order of the steps in the box does not represent a specific time sequence between the steps.
  • the first node in this application receives the first type signal or sends the first type signal in step 101; sends the second type signal or receives the second type signal in step 102; in step 103 Send the first signal in.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the first signal carries first information
  • the first The information is related to the difference between the second power and the first power
  • the sending of the first information is triggered by a first condition.
  • the first node receives the first type signal and sends the second type signal.
  • the first node receives the first type signal and receives the second type signal.
  • the first node sends the first type of signal and sends the second type of signal.
  • the first node sends the first type signal and receives the second type signal.
  • the first type of signal is a wireless signal.
  • the first type of signal is a baseband signal.
  • the first type of signal includes a reference signal.
  • the first type of signal includes a DL (DownLink, downlink) reference signal.
  • the first type of signal includes an SL (SideLink, secondary link) reference signal.
  • the first type of signal includes CSI-RS (Channel-State Information Reference Signals, channel state information reference signals).
  • CSI-RS Channel-State Information Reference Signals, channel state information reference signals.
  • the first type of signal includes SS/PBCH block (Synchronization Signal/Physical Broadcast Channel block, synchronization signal/physical broadcast channel block).
  • SS/PBCH block Synchronization Signal/Physical Broadcast Channel block, synchronization signal/physical broadcast channel block.
  • the first type of signal is transmitted through the Uu interface.
  • the first type of signal is transmitted through the link between the base station equipment and the user equipment.
  • the first type of signal is transmitted through the downlink.
  • the first type of signal is transmitted through a secondary link.
  • the first type of signal appears multiple times in the time domain.
  • the first type of signal appears only once in the time domain.
  • the second type of signal is a wireless signal.
  • the second type of signal is a baseband signal.
  • the second type of signal includes a reference signal.
  • the second type of signal includes an SL reference signal.
  • the second type signal includes a UL (UpLink, uplink) reference signal.
  • UL UpLink, uplink
  • the second type of signal includes CSI-RS.
  • the second type of signal includes SL CSI-RS.
  • the second type of signal includes SRS (Sounding Reference Signal, sounding reference signal).
  • the second type of signal includes DMRS (DeModulation Reference Signals).
  • the second type of signal includes SS (Synchronization Signal, synchronization signal).
  • the second type of signal includes SL SS.
  • the second type of signal includes SL SSB (SS/PBCH block).
  • the second type of signal is transmitted through the Pc5 interface.
  • the second type of signal is transmitted through a link between the user equipment and the user equipment.
  • the second type of signal is transmitted through a secondary link.
  • the second type of signal is transmitted through the uplink.
  • the second type of signal appears multiple times in the time domain.
  • the second type of signal appears only once in the time domain.
  • the first type signal and the second type signal belong to the same carrier in the frequency domain.
  • the unit of the first power is dBm (millidecibels).
  • the unit of the second power is dBm (millidecibel).
  • the first type of signal is transmitted on the first type of link
  • the second type of signal is transmitted on the second type of link
  • the first type of link is DL
  • the second type of link is SL
  • the first type of link is SL
  • the second type of link is SL
  • the first type of link is a link between a base station device and a user equipment
  • the second type of link is a link between the user equipment and the user equipment
  • the first type of link and the second type of link are links between user equipment and user equipment, respectively.
  • the measurement of the sentence for the first type of signal is used to determine the first power includes: the measurement for the first type of signal is used to determine the first path loss, the first path loss Is used to determine the first power.
  • the measurement of the sentence for the second type of signal is used to determine the second power includes: the measurement for the second type of signal is used to determine the second path loss, the second path loss Is used to determine the second power.
  • the first signal is a wireless signal.
  • the first signal is a baseband signal.
  • the first signal is transmitted through a Uu interface.
  • the first signal is transmitted through a link between the base station equipment and the user equipment.
  • the first signal is transmitted through the uplink.
  • the first signal is transmitted through a secondary link.
  • the first signal is transmitted on PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel).
  • PUSCH Physical Uplink Shared Channel, Physical Uplink Shared Channel
  • the first signal is transmitted on PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel).
  • PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
  • the information bit block of the first information is used to generate the first signal.
  • the first information is carried by higher layer signaling.
  • the first information is carried by MAC CE (Medium Access Control Layer Control Element, Medium Access Control Layer Control Element) signaling.
  • MAC CE Medium Access Control Layer Control Element, Medium Access Control Layer Control Element
  • the first information includes a MAC CE.
  • the first information includes all or part of information in a MAC CE.
  • the first information includes PHR (Power Headroom Report, Power Headroom Report).
  • the first information includes second sub-information, and the second sub-information indicates that the first information is for a link between the user equipment and the user equipment.
  • the first information includes second sub-information, and the second sub-information indicates that the first information is for a secondary link.
  • the first information includes second sub-information
  • the second sub-information indicates that the first information is for a link used to transmit the second type of reference signal.
  • the first information includes second sub-information, and the second sub-information indicates that the first information is not for a link used to transmit the first type of reference signal.
  • the difference between the second power and the first power is used to determine the first information.
  • the first information is used to determine the difference between the second power and the first power.
  • the first information indicates the difference between the second power and the first power.
  • Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in FIG. 2.
  • FIG. 2 illustrates the network architecture 200 of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced, Enhanced Long-Term Evolution) and the future 5G system.
  • the network architecture 200 of LTE, LTE-A and the future 5G system is called EPS (Evolved Packet System, Evolved Packet System) 200.
  • EPS Evolved Packet System, Evolved Packet System
  • EPS 200 may include one or more UEs (User Equipment) 201, a UE 241 that communicates with UE 201 on a side link (Sidelink), NG-RAN (Next Generation Radio Access Network) 202, 5G-CN (5G) -CoreNetwork, 5G core network)/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) 220 and Internet service 230.
  • UEs User Equipment
  • UE 241 Next Generation Radio Access Network
  • 5G-CN (5G) -CoreNetwork Next Generation Radio Access Network
  • 5G core network 5G core network
  • EPC Evolved Packet Core
  • HSS Home Subscriber Server
  • NG-RAN202 includes NR (New Radio) Node B (gNB) 203 and other gNB204.
  • gNB203 provides user and control plane protocol termination towards UE201.
  • the gNB203 can be connected to other gNB204 via an X2 interface (for example, backhaul).
  • gNB203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic service set (BSS), extended service set (ESS), TRP (transmit and receive point), or some other suitable terminology.
  • gNB203 provides UE201 with an access point to 5G-CN/EPC210.
  • Examples of UE201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players (for example, MP3 players), cameras, game consoles, drones, aircrafts, narrowband physical network equipment, machine type communication equipment, land vehicles, automobiles, wearable devices, or any other similar functional devices.
  • UE201 can also refer to UE201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
  • 5G-CN/EPC210 includes MME (Mobility Management Entity)/AMF (Authentication Management Field)/UPF (User Plane Function, user plane) Function) 211, other MME/AMF/UPF 214, S-GW (Service Gateway, Serving Gateway) 212, and P-GW (Packet Date Network Gateway, Packet Data Network Gateway) 213.
  • MME/AMF/UPF211 is a control node that handles signaling between UE201 and 5G-CN/EPC210. Generally, MME/AMF/UPF211 provides bearer and connection management.
  • the Internet service 230 includes Internet protocol services corresponding to operators, and specifically may include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and packet switching (Packet switching) services.
  • the first node in this application includes the UE201.
  • the first node in this application includes the UE241.
  • the second node in this application includes the gNB203.
  • the second node in this application includes the UE241.
  • the third node in this application includes the UE241.
  • the third node in this application includes the UE201.
  • the air interface between the UE201 and the gNB203 is a Uu interface.
  • the wireless link between the UE201 and the gNB203 is a cellular network link.
  • the air interface between the UE201 and the UE241 is a PC-5 interface.
  • the radio link between the UE 201 and the UE 241 is a side link (Sidelink).
  • the first node in this application and the third node in this application are respectively a terminal within the coverage of the gNB203.
  • the first node in this application is a terminal within the coverage of the gNB203
  • the third node in this application is a terminal outside the coverage of the gNB203.
  • the third node in this application is a terminal covered by the gNB203.
  • the third node in this application is a terminal outside the coverage of the gNB203.
  • the UE 201 and the UE 241 support unicast (Unicast) transmission.
  • unicast unicast
  • the UE 201 and the UE 241 support broadcast (Broadcast) transmission.
  • the UE 201 and the UE 241 support multicast (Groupcast) transmission.
  • the sender of the first-type signal in this application includes the gNB203.
  • the receiver of the first-type signal in this application includes the UE201.
  • the sender of the second type signal in this application includes the UE241.
  • the receiver of the second type of signal in this application includes the UE201.
  • the sender of the first signal in this application includes the UE201.
  • the receiver of the first signal in this application includes the gNB203.
  • Embodiment 3 illustrates a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application, as shown in FIG. 3.
  • Fig. 3 is a schematic diagram illustrating an embodiment of the radio protocol architecture for the user plane and the control plane.
  • Fig. 3 shows the radio protocol architecture for UE and gNB with three layers: layer 1, layer 2, and layer 3.
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions.
  • the L1 layer will be referred to as PHY301 herein.
  • Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between UE and gNB through PHY301.
  • the L2 layer 305 includes MAC (Medium Access Control) sublayer 302, RLC (Radio Link Control, radio link control protocol) sublayer 303, and PDCP (Packet Data Convergence Protocol), packet data Convergence protocol) sublayers 304, these sublayers terminate at the gNB on the network side.
  • the UE may have several protocol layers above the L2 layer 305, including a network layer (e.g., IP layer) terminating at the P-GW 213 on the network side and a network layer terminating at the other end of the connection (e.g., Remote UE, server, etc.) at the application layer.
  • the PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels.
  • the PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and provides handover support for UEs between gNBs.
  • the RLC sublayer 303 provides segmentation and reassembly of upper-layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception caused by HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat request).
  • HARQ Hybrid Automatic Repeat reQuest, hybrid automatic repeat request.
  • the MAC sublayer 302 provides multiplexing between logical and transport channels.
  • the MAC sublayer 302 is also responsible for allocating various radio resources (for example, resource blocks) in a cell among UEs.
  • the MAC sublayer 302 is also responsible for HARQ operations.
  • the radio protocol architecture for the UE and gNB is substantially the same for the physical layer 301 and the L2 layer 305, but there is no header compression function for the control plane.
  • the control plane also includes an RRC (Radio Resource Control, radio resource control) sublayer 306 in layer 3 (L3 layer).
  • the RRC sublayer 306 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layer using RRC signaling between the gNB and the UE.
  • the wireless protocol architecture in FIG. 3 is applicable to the first node in this application.
  • the wireless protocol architecture in FIG. 3 is applicable to the second node in this application.
  • the wireless protocol architecture in FIG. 3 is applicable to the third node in this application.
  • the first-type signal in this application is generated in the PHY301.
  • the second type of signal in this application is generated in the PHY301.
  • the first signal in this application is generated in the PHY301.
  • the first information in this application is generated in the PHY301.
  • the first signaling in this application is generated in the PHY301.
  • the first signaling in this application is generated in the MAC sublayer 302.
  • the second signal in this application is generated in the PHY301.
  • the third signal in this application is generated in the PHY301.
  • the second information in this application is generated in the MAC sublayer 302.
  • the second information in this application is generated in the RRC sublayer 306.
  • Embodiment 4 illustrates a schematic diagram of the first communication device and the second communication device according to an embodiment of the present application, as shown in FIG. 4.
  • FIG. 4 is a block diagram of a first communication device 410 and a second communication device 450 communicating with each other in an access network.
  • the first communication device 410 includes a controller/processor 475, a memory 476, a receiving processor 470, a transmitting processor 416, a multiple antenna receiving processor 472, a multiple antenna transmitting processor 471, a transmitter/receiver 418, and an antenna 420.
  • the second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmitting processor 468, a receiving processor 456, a multi-antenna transmitting processor 457, a multi-antenna receiving processor 458, and a transmitter/receiver 454 And antenna 452.
  • the upper layer data packet from the core network is provided to the controller/processor 475.
  • the controller/processor 475 implements the functionality of the L2 layer.
  • the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logic and transmission channels, and multiplexing of the second communication device 450 based on various priority metrics. Radio resource allocation.
  • the controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450.
  • the transmission processor 416 and the multi-antenna transmission processor 471 implement various signal processing functions for the L1 layer (ie, physical layer).
  • the transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift keying) (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)) constellation mapping.
  • modulation schemes e.g., binary phase shift keying (BPSK), quadrature phase shift keying) (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)
  • the multi-antenna transmission processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more parallel streams.
  • the transmit processor 416 maps each parallel stream to subcarriers, multiplexes the modulated symbols with reference signals (e.g., pilot) in the time and/or frequency domain, and then uses inverse fast Fourier transform (IFFT) ) To generate a physical channel carrying a multi-carrier symbol stream in the time domain.
  • IFFT inverse fast Fourier transform
  • the multi-antenna transmission processor 471 performs transmission simulation precoding/beamforming operations on the time-domain multi-carrier symbol stream.
  • Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmission processor 471 into a radio frequency stream, and then provides it to a different antenna 420.
  • each receiver 454 receives a signal through its corresponding antenna 452.
  • Each receiver 454 recovers the information modulated on the radio frequency carrier, and converts the radio frequency stream into a baseband multi-carrier symbol stream and provides it to the receiving processor 456.
  • the receiving processor 456 and the multi-antenna receiving processor 458 implement various signal processing functions of the L1 layer.
  • the multi-antenna receiving processor 458 performs reception analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454.
  • the receiving processor 456 uses a Fast Fourier Transform (FFT) to convert the baseband multi-carrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain.
  • FFT Fast Fourier Transform
  • the reference signal will be used for channel estimation.
  • the data signal is recovered by the multi-antenna receiving processor 458 after multi-antenna detection.
  • the communication device 450 is any parallel stream to the destination. The symbols on each parallel stream are demodulated and recovered in the receiving processor 456, and soft decisions are generated.
  • the receiving processor 456 then decodes and deinterleaves the soft decision to recover the upper layer data and control signals transmitted by the first communication device 410 on the physical channel.
  • the upper layer data and control signals are then provided to the controller/processor 459.
  • the controller/processor 459 implements the functions of the L2 layer.
  • the controller/processor 459 may be associated with a memory 460 that stores program codes and data.
  • the memory 460 may be referred to as a computer-readable medium.
  • the controller/processor 459 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the core network.
  • the upper layer data packets are then provided to all protocol layers above the L2 layer.
  • Various control signals can also be provided to L3 for L3 processing.
  • the controller/processor 459 is also responsible for error detection using acknowledgement (ACK) and/or negative acknowledgement (NACK) protocols to support HARQ operations.
  • ACK acknowledgement
  • NACK negative acknowledgement
  • a data source 467 is used to provide upper layer data packets to the controller/processor 459.
  • the data source 467 represents all protocol layers above the L2 layer.
  • the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and logical AND based on the wireless resource allocation of the first communication device 410 Multiplexing between transport channels to implement L2 layer functions for user plane and control plane.
  • the controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410.
  • the transmission processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmission processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, followed by transmission
  • the processor 468 modulates the generated parallel stream into a multi-carrier/single-carrier symbol stream, which is subjected to an analog precoding/beamforming operation in the multi-antenna transmission processor 457 and then provided to different antennas 452 via the transmitter 454.
  • Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.
  • the function at the first communication device 410 is similar to that in the transmission from the first communication device 410 to the second communication device 450.
  • Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to the multi-antenna receiving processor 472 and the receiving processor 470.
  • the receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer.
  • the controller/processor 475 implements L2 layer functions.
  • the controller/processor 475 may be associated with a memory 476 that stores program codes and data.
  • the memory 476 may be referred to as a computer-readable medium.
  • the controller/processor 475 provides demultiplexing between transmission and logical channels, packet reassembly, decryption, header decompression, control signal processing to recover upper layer data packets from the second communication device 450.
  • the upper layer data packet from the controller/processor 475 may be provided to the core network.
  • the controller/processor 475 is also responsible for error detection using ACK and/or NACK protocols to support HARQ operations.
  • the second communication device 450 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Use at least one processor together.
  • the second communication device 450 means at least: receiving or sending the first type of signal in this application; sending or receiving the second type of signal in this application; sending the first signal in this application.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the first signal carries first information, and the first The information is related to the difference between the second power and the first power; the sending of the first information is triggered by a first condition.
  • the second communication device 450 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: receiving or Send the first type of signal in this application; send or receive the second type of signal in this application; send the first signal in this application.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the first signal carries first information
  • the first The information is related to the difference between the second power and the first power
  • the sending of the first information is triggered by a first condition.
  • the first communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Use at least one processor together.
  • the first communication device 410 means at least: sending or receiving the first type signal in this application; and receiving the first signal in this application.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the second type of signal is different from the first type of signal.
  • a node of the sender sends; the first signal carries first information, and the first information is related to the difference between the second power and the first power; the sending of the first information is subject to the first condition trigger.
  • the first communication device 410 includes: a memory storing a computer-readable instruction program, the computer-readable instruction program generates actions when executed by at least one processor, and the actions include: sending or Receive the first type signal in this application; receive the first signal in this application.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the second type of signal is different from the first type of signal.
  • a node of the sender sends; the first signal carries first information, and the first information is related to the difference between the second power and the first power; the sending of the first information is subject to the first condition trigger.
  • the first communication device 410 includes: at least one processor and at least one memory, where the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Use at least one processor together.
  • the first communication device 410 means at least: receiving or sending the target second-type sub-signal in this application.
  • the measurement for the first type of signal is used to determine the first power, and the first type of signal is sent by a node different from the sender of the target second type of sub-signal; the second type of signal includes the target The second type of sub-signal, the measurement of the second type of signal is used to determine the second power; the first information is related to the difference between the second power and the first power; the transmission of the first information Triggered by the first condition.
  • the first communication device 410 includes: a memory storing a computer-readable instruction program, which generates an action when executed by at least one processor, and the action includes: receiving or sending this The second type of sub-signal of the target mentioned in the application.
  • the measurement for the first type of signal is used to determine the first power, and the first type of signal is sent by a node different from the sender of the target second type of sub-signal; the second type of signal includes the target The second type of sub-signal, the measurement of the second type of signal is used to determine the second power; the first information is related to the difference between the second power and the first power; the transmission of the first information Triggered by the first condition.
  • the first node in this application includes the second communication device 450.
  • the second node in this application includes the first communication device 410.
  • the third node in this application includes the second communication device 410.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the first type of signal in this application;
  • the antenna 420, the transmitter 418, the transmission processor 416, the multi-antenna transmission processor 471 At least one of the controller/processor 475 and the memory 476 ⁇ is used to send the first-type signal in this application.
  • ⁇ the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to receive the first type of signal in this application; ⁇ the antenna 452, the transmitter 454, the transmission processor 468, the multi-antenna transmission processor 457, the controller/ At least one of the processor 459, the memory 460, and the data source 467 ⁇ is used to send the first-type signal in this application.
  • the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to receive the second type of signal in this application;
  • the antenna 452, the transmitter 454, the transmission processor 468, the multi-antenna transmission processor 457, the controller/ At least one of the processor 459, the memory 460, and the data source 467 ⁇ is used to send the second type signal in this application.
  • ⁇ the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to receive the first signal in this application; ⁇ the antenna 452, the transmitter 454, the transmission processor 468, the multi-antenna transmission processor 457, the controller/processing At least one of the device 459, the memory 460, and the data source 467 ⁇ is used to send the first signal in this application.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the third information in this application;
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the fourth information in this application;
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the first signaling in this application;
  • the antenna 420, the transmitter 418, the transmission processor 416, the multi-antenna transmission processor 471 At least one of the controller/processor 475 and the memory 476 ⁇ is used to send the first signaling in this application.
  • ⁇ the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to receive the second signal in this application; ⁇ the antenna 452, the transmitter 454, the transmission processor 468, the multi-antenna transmission processor 457, the controller/processing At least one of the device 459, the memory 460, and the data source 467 ⁇ is used to send the second signal in this application.
  • the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the second information in this application;
  • the antenna 420, the receiver 418, the receiving processor 470, the multi-antenna receiving processor 472, the controller/processor 475, the memory 476 ⁇ at least One is used to receive the third signal in this application in the second time window in this application;
  • the antenna 452, the transmitter 454, the transmission processor 468, the multiple At least one of the antenna transmission processor 457, the controller/processor 459, the memory 460, and the data source 467 ⁇ is used to send the data in the second time window in this application The third signal.
  • Embodiment 5 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 5.
  • the second node U1, the first node U2, and the third node U3 are respectively communication nodes transmitted between each other through an air interface.
  • the steps in blocks F51 to F57 are optional.
  • the second node U1 sends the first type of signal in step S511; sends the second signal in step S5101; sends the first signal in step S5102; receives the first signal in step S512; and sends the first signal in step S5103 Second information: send the third signaling in step S5104.
  • the first node U2 receives the first type of signal in step S521; sends the second type of signal in step S522; receives the third information in step S5201; receives the second signaling in step S5202; and sends the second signal in step S5203 Second signal; in step S5204, the first signaling is received; in step S523, the first signal is sent; in step S5205, the second information is received; in step S5206, the third signaling is received; in step S5207, in the second time window Send the third signal in.
  • the third node U3 receives the second-type signal in step S531; sends the third information in step S5301; receives the second signal in step S5302; and receives the third signal in the second time window in step S5303.
  • the measurement for the first type of signal is used by the first node U2 to determine the first power
  • the measurement for the second type of signal is used by the first node U2 to determine the second power.
  • Power; the first signal carries first information, the first information is related to the difference between the second power and the first power; the sending of the first information is triggered by a first condition.
  • the measurement for the second type of signal is used by the third node U3 to determine the third information, and the third information is used by the first node U2 to determine the second power.
  • the first signaling is used by the first node U2 to determine the time-frequency resource occupied by the first signal.
  • the second signaling is used by the first node U2 to determine the time-frequency resource occupied by the second signal; the transmission power of the second signal is the first power and the second power Minimum value.
  • the second information is used by the first node U2 to determine the transmit power of the third signal; the third signaling is used by the first node U2 to determine the time frequency occupied by the third signal Resources; the second time window is later than the time domain resources occupied by the first signal.
  • the first node U2 is the first node in this application.
  • the second node U1 is the second node in this application.
  • the third node U3 is the third node in this application.
  • the air interface between the second node U1 and the first node U2 is a Uu interface.
  • the air interface between the second node U1 and the first node U2 includes a cellular link.
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between a base station device and a user equipment.
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between the relay node and the user equipment.
  • the air interface between the second node U1 and the first node U2 includes a wireless interface between user equipment and user equipment.
  • the air interface between the third node U3 and the first node U2 is a PC5 interface.
  • the air interface between the third node U3 and the first node U2 includes a secondary link.
  • the air interface between the third node U3 and the first node U2 includes a wireless interface between user equipment and user equipment.
  • the air interface between the third node U3 and the first node U2 includes a wireless interface between the user equipment and the relay node.
  • the first node in this application is a terminal.
  • the first node in this application is a car.
  • the first node in this application is a vehicle.
  • the first node in this application is an RSU (Road Side Unit, Road Side Unit).
  • the second node in this application is a terminal.
  • the third node in this application is a terminal.
  • the third node in this application is a car.
  • the third node in this application is a vehicle.
  • the third node in this application is an RSU.
  • the second-type signal is the target second-type sub-signal in this application.
  • the second-type signal only includes the target second-type sub-signal in this application.
  • the second-type signal is composed of the target second-type sub-signal in this application.
  • the third information is the target third sub-information in this application.
  • the third information is composed of the target third sub-information in this application.
  • the third information only includes the target third sub-information in this application.
  • the sending of the second-type signal of the sentence by a node different from the sender of the first-type signal includes: the sender of the second-type signal is a user equipment, and the first The sender of the analog signal is a base station.
  • the transmission of the first-type signal of the sentence by a node different from the sender of the target second-type sub-signal includes: the sender of the first-type signal is a base station, and the target The sender of the second type of sub-signal is a user equipment.
  • the second type signal of the sentence being sent by a node different from the sender of the first type signal includes: the sender of the second type signal and the sending of the first type signal Each is a user equipment, and the identifier of the sender of the second type of signal is different from the identifier of the sender of the first type of signal.
  • the first-type signal of the sentence being sent by a node different from the sender of the target second-type sub-signal includes: the sender of the first-type signal and the target second-type signal
  • the senders of the sub-signals are respectively user equipment, and the identifier of the sender of the first-type signal is different from the identifier of the sender of the target second-type sub-signal.
  • the identifier includes C (Cell)-RNTI (Radio Network Temporary Identifier, radio network temporary identifier).
  • C Cell
  • RTI Radio Network Temporary Identifier, radio network temporary identifier
  • the identifier includes IMSI (International Mobile Subscriber Identification Number, International Mobile Subscriber Identification Number).
  • the identifier includes S-TMSI (SAE Temporary Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity).
  • S-TMSI SAE Temporary Mobile Subscriber Identity, SAE Temporary Mobile Subscriber Identity
  • the first information includes a first difference
  • the first power and the second power are used by the first node U2 to determine the first difference
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the first information includes first sub-information, and the first sub-information indicates that the difference between the second power and the first power is greater than the first threshold.
  • the second signaling is layer 1 (L1) signaling.
  • the second signaling is layer 1 (L1) control signaling.
  • the second signaling includes DCI (Downlink Control Information, downlink control information).
  • DCI Downlink Control Information, downlink control information
  • the second signaling includes one or more fields in the DCI.
  • the second signaling indicates the time-frequency resource occupied by the second signal.
  • the second signaling is transmitted through a Uu interface.
  • the second signaling is transmitted on PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel, Physical Downlink Control Channel
  • the third signaling is layer 1 (L1) signaling.
  • the third signaling is layer 1 (L1) control signaling.
  • the third signaling includes DCI.
  • the third signaling includes one or more fields in the DCI.
  • the third signaling indicates the time-frequency resource occupied by the third signal.
  • the third signaling is transmitted through the Uu interface.
  • the third signaling is transmitted on the PDCCH.
  • the time domain resource occupied by the third signaling belongs to the second time window.
  • Embodiment 6 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 6.
  • the second node U4, the first node U5, and the third node U6 are communication nodes that are transmitted between each other through an air interface.
  • the steps in block F61 and block F62 are optional respectively.
  • the second node U4 receives the first type signal in step S641; and sends the fourth information in step S6401.
  • the first node U5 sends the first-type signal in step S651; receives the fourth information in step S6501; receives the target second-type sub-signal in step S652; receives the K second-type sub-signals in step S6502. K-1 second-type sub-signals other than the target second-type sub-signal.
  • the third node U6 sends the target sub-signal of the second type in step S661.
  • the measurement for the first type of signal is used by the first node U5 to determine the first power
  • the measurement for the second type of signal is used by the first node U5 to determine the second power
  • the second-type signal includes the K second-type sub-signals, K is a positive integer greater than 1, and the target second-type sub-signal is one of the K second-type sub-signals signal.
  • the measurement for the first type of signal is used by the second node U4 to determine the fourth information, and the fourth information is used by the first node U5 to determine the first power.
  • the measurements for the K second-type sub-signals are respectively used by the first node U5 to determine the K path losses in this application, and the K path losses are used by the first node U5.
  • the node U5 is used to determine the second power.
  • the sender of any second-type sub-signal in the K-1 second-type sub-signals is different from the third node.
  • the identifier of the sender of any second type sub-signal in the K-1 second type sub-signals is different from the identifier of the third node.
  • Embodiment 7 illustrates a schematic diagram of the first power according to an embodiment of the present application; as shown in FIG. 7.
  • the first power is the minimum value of the first reference power and the first power threshold; the first reference power and the first path loss are linearly correlated, which is aimed at the first category in this application.
  • the measurement of the signal is used to determine the first path loss; the linear coefficient between the first reference power and the first path loss is the first coefficient.
  • the symbol " ⁇ " in Figure 7 indicates linear correlation.
  • the first path loss is equal to the transmit power of the first type signal minus the RSRP (Reference Signal Received Power) of the first type signal.
  • the first path loss is PL b, f, c (q d ), and the index of the first type signal is the q d .
  • the first node in this application sends the first type of signal, and the fourth information in this application is used to determine the first path loss.
  • the first power threshold is an uplink transmit power threshold.
  • the first power threshold is a PUSCH transmit power threshold.
  • the unit of the first power threshold is dBm (millidecibels).
  • the first power threshold is P CMAX,f,c (i).
  • the unit of the first reference power is dBm (millidecibels).
  • the first coefficient is a non-negative real number less than or equal to 1.
  • the first coefficient is ⁇ b, f, c (j).
  • the first coefficient is configured by a higher layer parameter.
  • the first reference power and the first component are linearly related, and the linear coefficient between the first reference power and the first component is 1; the first component is a power reference.
  • the first component is P 0_PUSCH, b, f, c (j).
  • the first component is P 0 (j) used for uplink power control.
  • the first component is P 0 (j) for PUSCH power control.
  • the first component is configured with higher-layer parameters.
  • the first reference power and the second component are linearly related, and the linear coefficient between the first reference power and the second component is 1; the second component is related to the first bandwidth.
  • the first bandwidth is a bandwidth represented by the number of RBs (Resource Block, resource block) to which the first signal is allocated.
  • the first bandwidth is the bandwidth expressed by the number of RBs allocated to the PUSCH.
  • the first bandwidth is a bandwidth represented by the number of RBs.
  • the first bandwidth is pre-configured.
  • the second component is The first bandwidth
  • the first reference power and the third component are linearly related, the linear coefficient between the first reference power and the third component is 1, and the third component is ⁇ TF, b, f ,c (i).
  • the first reference power and the fourth component are linearly related, the linear coefficient between the first reference power and the fourth component is 1, and the fourth component is a power control adjustment state.
  • the fourth component is f b, f, c (i, l).
  • the first reference power is linearly related to the first path loss, the first component, the second component, the third component and the fourth component, respectively.
  • the linear coefficient between the first reference power and the first path loss is the first coefficient; the first reference power and the first component, the second component, the third component and the The linear coefficients between the fourth components are 1 respectively.
  • Embodiment 8 illustrates a schematic diagram of the second power according to an embodiment of the present application; as shown in FIG. 8.
  • the second power is the minimum value of the second reference power and the second power threshold; the second reference power and the second path loss are linearly correlated, which is aimed at the second category in this application.
  • the measurement of the signal is used to determine the second path loss; the linear coefficient between the second reference power and the second path loss is the second coefficient.
  • the symbol " ⁇ " in Fig. 8 indicates linear correlation.
  • the second path loss is equal to the transmit power of the second type signal minus the RSRP of the second type signal.
  • the second path loss is PL.
  • the first node in this application sends the second type of signal, and the third information in this application is used to determine the second path loss.
  • the unit of the second power threshold is dBm (millidecibels).
  • the second power threshold is P CMAX, PSSCH .
  • the unit of the second reference power is dBm (millidecibels).
  • the second coefficient is a non-negative real number less than or equal to 1.
  • the second coefficient is ⁇ PSSCH .
  • the second coefficient is ⁇ used for power control on the secondary link.
  • the second coefficient is configured by a higher layer parameter.
  • the second reference power and the fifth component are linearly related, and the linear coefficient between the second reference power and the fifth component is 1; the fifth component is a power reference.
  • the fifth component is P 0 used for power control on the secondary link.
  • the fifth component is P 0_PSSCH .
  • the fifth component is configured with higher layer parameters.
  • the second reference power and the sixth component are linearly related, and the linear coefficient between the second reference power and the sixth component is 1; the sixth component is related to the second bandwidth.
  • the second bandwidth is a bandwidth expressed by the number of RBs to which the second signal is allocated.
  • the second bandwidth is a bandwidth expressed by the number of RBs to which PSSCH (Physical Sidelink Shared Channel) is allocated.
  • the second bandwidth is a bandwidth represented by the number of RBs.
  • the second bandwidth is pre-configured.
  • a sub-embodiment of the sixth component is 10log 10 (2 ⁇ M PSSCH) , the second bandwidth is an M PSSCH.
  • the sixth component is 10log 10 (M PSSCH ), and the second bandwidth is M PSSCH .
  • the second reference power is linearly related to the second path loss, the fifth component and the sixth component, respectively.
  • the linear coefficient between the second reference power and the second path loss is the second coefficient; the linear coefficients between the second reference power and the fifth component and the sixth component are respectively 1.
  • the first information in this application includes the second power threshold.
  • Embodiment 9 illustrates a schematic diagram of the second power according to an embodiment of the present application; as shown in FIG. 9.
  • the second power is linearly related to the third reference power, and the linear coefficient between the second power and the third reference power is 1;
  • the third reference power is the fourth reference power And the minimum value of the third power threshold, the fourth reference power is linearly related to the second path loss, and the measurement for the second type of signal in this application is used to determine the second path loss;
  • the linear coefficient between the fourth reference power and the second path loss is the third coefficient.
  • the symbol " ⁇ " indicates linear correlation.
  • the unit of the third power threshold is dBm (millidecibels).
  • the third power threshold is P CMAX .
  • the third power threshold is the minimum value of the fourth power threshold and the fifth power threshold.
  • the unit of the fourth power threshold is dBm.
  • the unit of the fifth power threshold is dBm.
  • the fourth power threshold is P CMAX .
  • the fifth power threshold is P MAX_CBR .
  • the unit of the third reference power is dBm (millidecibels).
  • the unit of the fourth reference power is dBm (millidecibel).
  • the second power is equal to the sum of the third reference power and the fifth reference power
  • the fifth reference power is respectively related to the third bandwidth and the fourth bandwidth.
  • the third bandwidth is the bandwidth represented by the number of RBs to which the PSSCH is allocated
  • the fourth bandwidth is the PSCCH (Physical Sidelink Control Channel, physical secondary link control channel) allocated The received bandwidth expressed in the number of RBs.
  • the third bandwidth and the fourth bandwidth are M PSSCH and M PSCCH respectively .
  • the bandwidth represented by the number of RBs to which the second signal in this application is allocated includes the third bandwidth.
  • the bandwidth represented by the number of RBs to which the second signal in this application is allocated includes the fourth bandwidth.
  • the third bandwidth and the fourth bandwidth are bandwidths represented by the number of RBs.
  • the third bandwidth and the fourth bandwidth are respectively pre-configured.
  • the third coefficient is a non-negative real number less than or equal to 1.
  • the third coefficient is ⁇ PSSCH .
  • the third coefficient is ⁇ used for power control on the secondary link.
  • the third coefficient is configured by a higher layer parameter.
  • the fourth reference power and the seventh component are linearly related, and the linear coefficient between the fourth reference power and the seventh component is 1; the seventh component is a power reference.
  • the seventh component is P 0 for power control on the secondary link.
  • the seventh component is P 0_PSSCH .
  • the seventh component is configured with higher-layer parameters.
  • the fourth reference power and the eighth component are linearly related, and the linear coefficient between the fourth reference power and the eighth component is 1; the eighth component and the third bandwidth are summed The fourth bandwidths are related respectively.
  • the fourth reference power is linearly related to the second path loss, the seventh component and the eighth component, respectively.
  • the linear coefficient between the fourth reference power and the second path loss is the third coefficient; the linear coefficients between the fourth reference power and the seventh component and the eighth component are respectively 1.
  • the first information in this application includes the fifth power threshold.
  • Embodiment 10 illustrates a schematic diagram of sending first information triggered by a first condition according to an embodiment of the present application; as shown in FIG. 10.
  • the sending of the first information in the sentence being triggered by a first condition includes: when the first condition is not met, the first information is not sent.
  • the sending of the first information in the sentence being triggered by a first condition includes: when the first condition is satisfied, the first information is sent.
  • the sending of the first information in the sentence being triggered by a first condition includes: when the first condition is not met, the sending of the first information is not triggered.
  • the sending of the first information in the sentence being triggered by a first condition includes: when the first condition is met, the sending of the first information is triggered.
  • the first condition includes: the first timer has expired.
  • the first timer is configured by higher layer signaling.
  • the first timer is configured by RRC signaling.
  • the first timer is for the link between the user equipment and the user equipment.
  • the first timer is for the link between the base station device and the user equipment.
  • the first timer is for a link used to transmit the first-type signal in this application.
  • the first timer is for a link used to transmit the second type of signal in this application.
  • the first timer is a phr-PeriodicTimer.
  • the first timer is phr-ProhibitTimer.
  • the first condition includes: both the third timer and the second timer have expired.
  • the third timer and the second timer are respectively configured by higher layer signaling.
  • the third timer and the second timer are respectively configured by RRC signaling.
  • the third timer is for the link between the base station equipment and the user equipment
  • the second timer is for the link between the user equipment and the user equipment
  • the third timer is for the link used to transmit the first type of signal in this application
  • the second timer is for the link used to transmit the signal in this application.
  • the link of the second type of signal is for the link used to transmit the first type of signal in this application.
  • the second timer is a phr-PeriodicTimer.
  • the second timer is a phr-ProhibitTimer.
  • the third timer is phr-PeriodicTimer.
  • the third timer is phr-ProhibitTimer.
  • the specific definition of the phr-PeriodicTimer participates in 3GPP TS38.331.
  • the specific definition of the phr-ProhibitTimer participates in 3GPP TS38.331.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the first path loss measured by the first node in this application exceeds a first given time window. Threshold; the measurement for the first type of signal in this application is used to determine the first path loss.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the second path loss measured by the first node in this application exceeds a second given time window. Threshold; the measurement for the second type of signal in this application is used to determine the second path loss.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the first path loss measured by the first node in this application exceeds a first given time window. Threshold, and the difference between the maximum value and the minimum value of the second path loss measured by the first node exceeds a second given threshold; for the measurement of the first type signal and the second type signal in this application They are used to determine the first path loss and the second path loss respectively.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the first path loss measured by the first node in this application exceeds a first given time window. Threshold; in a second given time window, the difference between the maximum value and the minimum value of the second path loss measured by the first node exceeds the second given threshold. Measurements for the first type signal and the second type signal in this application are used to determine the first path loss and the second path loss, respectively.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the first power exceeds a third given threshold.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the second power exceeds a fourth given threshold;
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the first power exceeds a third given threshold, and the maximum value of the second power The difference from the minimum value exceeds the fourth given threshold.
  • the first condition includes: within a first given time window, the difference between the maximum value and the minimum value of the first power exceeds a third given threshold; within a second given time window, The difference between the maximum value and the minimum value of the second power exceeds a fourth given threshold.
  • the given power is the minimum power of the first power and the second power
  • the first condition includes: within a first given time window, the given power is the first power Whether the first power or the second power has changed.
  • the first condition includes: within a first given time window, the minimum power of the first power and the second power changes from the first power to the second power.
  • the first condition includes: within a first given time window, the minimum power of the first power and the second power changes from the second power to the first power.
  • the given path loss is the smallest path loss of the first path loss and the second path loss
  • the first condition includes: within a first given time window, the given path loss Whether the first path loss or the second path loss has changed.
  • the first condition includes: within a first given time window, the minimum path loss of the first path loss and the second path loss changes from the first path loss to the The second road loss.
  • the first condition includes: within a first given time window, the smallest path loss of the first path loss and the second path loss changes from the second path loss to the The first road loss.
  • the first given time window is a continuous time period.
  • the first given time window is not less than prohibitPHR-Timer and not greater than periodicPHR-Timer.
  • the first given time window is the length of time of the first timer.
  • the second given time window is a continuous time period.
  • the second given time window is not less than prohibitPHR-Timer and not greater than periodicPHR-Timer.
  • the second given time window is the length of time of the second timer.
  • the first condition includes: the difference between the first power in this application and the second power in this application is greater than a second threshold, and the second threshold is a non-negative real number.
  • the first condition includes: the first power in the present application minus the second power in the present application is greater than a second threshold, and the second threshold is a non-negative real number.
  • the first condition includes: the absolute value of the difference between the first power in this application and the second power in this application is greater than a second threshold, and the second threshold is a non-negative real number.
  • the second threshold is a positive real number.
  • the second threshold is configured by higher layer signaling.
  • the second threshold is configured by RRC signaling.
  • the second threshold is UE-specific.
  • the second threshold is configured semi-statically.
  • the second threshold is predefined.
  • the first node in this application determines the second threshold by itself.
  • Embodiment 11 illustrates a schematic diagram of the first signaling according to an embodiment of the present application; as shown in FIG. 11.
  • the first signaling is used to determine the time-frequency resource occupied by the first signal in this application.
  • the first signaling is physical layer signaling.
  • the first signaling is dynamic signaling.
  • the first signaling is layer 1 (L1) signaling.
  • the first signaling is layer 1 (L1) control signaling.
  • the first signaling includes DCI.
  • the first signaling includes one or more fields in the DCI.
  • the first signaling indicates the time-frequency resource occupied by the first signal.
  • the first signaling explicitly indicates the time-frequency resource occupied by the first signal.
  • the first signaling implicitly indicates the time-frequency resource occupied by the first signal.
  • the first signaling includes scheduling information of the first signal.
  • the scheduling information of the first signal includes occupied time domain resources, occupied frequency domain resources, scheduled MCS (Modulation and Coding Scheme), DMRS configuration information, HARQ (Hybrid Automatic Repeat reQuest) one or more of process number (process number), RV (Redundancy Version), and NDI (New Data Indicator, new data indicator).
  • MCS Modulation and Coding Scheme
  • DMRS configuration information HARQ (Hybrid Automatic Repeat reQuest) one or more of process number (process number), RV (Redundancy Version), and NDI (New Data Indicator, new data indicator).
  • the first signaling is transmitted through a Uu interface.
  • the first signaling is transmitted through a Pc5 interface.
  • the first signaling is transmitted through a link between the base station equipment and the user equipment.
  • the first signaling is transmitted through DL.
  • the first signaling is transmitted on the PDCCH.
  • Embodiment 12 illustrates a schematic diagram of the first information including the first difference according to an embodiment of the present application; as shown in FIG. 12.
  • the first information includes the first difference, and the first power and the second power in this application are used to determine the first difference.
  • the unit of the first difference is dB (decibel).
  • the first difference is PHR.
  • the first difference is the difference between the second power and the first power.
  • the first difference is equal to the second power minus the first power.
  • the first difference is equal to the first power minus the second power.
  • the first difference is the absolute value of the difference between the second power and the first power.
  • Embodiment 13 illustrates a schematic diagram of the first condition according to an embodiment of the present application; as shown in FIG. 13.
  • the first condition includes that the difference between the second power in the present application and the first power in the present application is greater than the first threshold in the present application.
  • the first condition includes: the second power minus the first power is greater than the first threshold.
  • the unit of the first threshold is dBm.
  • the first threshold is a non-negative real number.
  • the first threshold is a positive real number.
  • the first threshold is equal to zero.
  • the first threshold is greater than zero.
  • the first threshold is configured by higher layer signaling.
  • the first threshold is configured by RRC signaling.
  • the first threshold is predefined.
  • the first threshold is UE-specific.
  • the first threshold is configured semi-statically.
  • the first node in this application determines the first threshold by itself.
  • the method in the first node used for wireless communication in this application includes:
  • the downlink information indicates the first threshold
  • the downlink information is carried by RRC signaling
  • the downlink information is transmitted on a PDSCH (Physical Downlink Shared Channel).
  • PDSCH Physical Downlink Shared Channel
  • Embodiment 14 illustrates a schematic diagram of the first information including the first sub-information according to an embodiment of the present application; as shown in FIG. 14.
  • the first information includes first sub-information, and the first sub-information indicates that the difference between the second power in this application and the first power in this application is greater than that in this application.
  • the first threshold is the first threshold.
  • the first sub-information includes one information bit.
  • the first sub-information includes a bit sequence.
  • Embodiment 15 illustrates a schematic diagram of a second type of signal measurement used to determine K path losses according to an embodiment of the present application; as shown in FIG. 15.
  • the indexes of the K path losses are #0, ..., #K-1, respectively.
  • the second-type signal includes K second-type sub-signals; measurements on the K second-type sub-signals are respectively used to determine K path losses.
  • the senders of the K second-type sub-signals are all the first nodes in this application.
  • the senders of the K second-type sub-signals are all the first nodes in this application, and the K second-type sub-signals respectively correspond to different target receivers. .
  • the senders of any two second-type sub-signals in the K second-type sub-signals are different.
  • the sender of any second-type sub-signal in the K second-type sub-signals is a user equipment, and any two second-type sub-signals in the K second-type sub-signals The identity of the sender of the class sub-signal is different.
  • At least two of the K second-type sub-signals have different senders.
  • the sender of any second-type sub-signal in the K second-type sub-signals is a user equipment, and there are at least two second-type sub-signals in the K second-type sub-signals.
  • the identifiers of the senders of the two types of sub-signals are different.
  • any two of the K second-type sub-signals cannot be assumed to be QCL (Quasi Co-Located).
  • At least two of the K second-type sub-signals cannot be assumed to be QCL.
  • At least two of the K second-type sub-signals are QCL.
  • the K second-type sub-signals are respectively K wireless signals.
  • the K second-type sub-signals are K baseband signals, respectively.
  • any second-type sub-signal in the K second-type sub-signals includes a reference signal.
  • any second-type sub-signal in the K second-type sub-signals includes a CSI-RS.
  • any of the K second-type sub-signals includes SLCSI-RS.
  • any second-type sub-signal in the K second-type sub-signals includes SS.
  • any of the K second-type sub-signals includes SLSS.
  • any of the K second-type sub-signals includes SLSSB.
  • the K second-type sub-signals are respectively transmitted through a Pc5 interface.
  • the K second-type sub-signals are respectively transmitted through SL.
  • one second-type sub-signal appears multiple times in the time domain.
  • one of the K second-type sub-signals only appears once in the time domain.
  • any one of the K path losses is equal to the transmission power of the corresponding second-type sub-signal minus the RSRP of the corresponding second-type sub-signal.
  • the K second-type sub-signals respectively correspond to different target receivers, and any one of the K path losses is equal to the transmission power of the corresponding second-type sub-signal minus Remove the RSRP of the corresponding second-type sub-signal measured by the target receiver of the corresponding second-type sub-signal.
  • the target receiver of the second-type signal includes K nodes, and the measurements of the K nodes for the second-type signal are respectively used to determine the K path losses.
  • any one of the K path losses is equal to the transmit power of the second type signal minus the RSRP of the second type signal measured by the corresponding node.
  • the K nodes are respectively user equipment; any two of the K nodes have different identities.
  • the first node in this application sends the second type of signal; the third information in this application is used to determine the K path losses.
  • Embodiment 16 illustrates a schematic diagram of K path losses used to determine the second power according to an embodiment of the present application; as shown in FIG. 16.
  • the K path losses are respectively used to determine K second type powers, and the K second type powers are used to determine the second power.
  • the indexes of the K path losses and the K second type powers are #0,..., #K-1, respectively.
  • the measurement of the sentence for the second type signal used to determine the second power includes: the K path losses are respectively used to determine K second type powers, and the K second types of power The class power is used to determine the second power.
  • the units of the K second type powers are dBm respectively.
  • the second power is the largest second power in the K second powers.
  • the second power is the smallest second-class power among the K second-class powers.
  • the second power is an average value of the K second type powers.
  • the second power is linearly related to each of the K second powers.
  • K reference powers are respectively used to determine the K second type powers; the K reference powers are linearly related to the K path losses respectively; any one of the K reference powers The linear coefficient between the reference power and the corresponding path loss is a positive real number not greater than 1.
  • the method for determining the second power according to the second reference power in Embodiment 8 of the present application may be used to determine the second power according to one of the K reference powers. Determine the corresponding second type of power.
  • the method for determining the second power according to the fourth reference power in Embodiment 8 of the present application may be used to determine the second power according to one of the K reference powers. Determine the corresponding second type of power.
  • the method for determining the second reference power in Embodiment 8 of the present application may be used to determine one reference power of the K reference powers.
  • the method for calculating the fourth reference power in Embodiment 9 of the present application may be used to determine the calculation of one reference power among the K reference powers.
  • the first condition in this application includes: Which of the K second-type powers among the K second-type powers is the largest second-type power among the K second-type powers Variety.
  • the first condition in this application includes: which of the K second-class powers is the smallest second-class power among the K second-class powers Variety.
  • Embodiment 17 illustrates a schematic diagram of K path losses being used to determine the second power according to an embodiment of the present application; as shown in FIG. 17.
  • the K path losses are used to determine the target path loss, and the target path loss is used to determine the second power.
  • the K path loss indexes are #0, ..., #K-1, respectively.
  • the measurement of the sentence for the second type of signal used to determine the second power includes: the target path loss is used to determine the second power, and the K path losses in this application are used to determine the second power. Used to determine the target path loss.
  • the target path loss is the largest path loss among the K path losses.
  • the target path loss is the smallest path loss among the K path losses.
  • the target path loss is an average value of the K path losses.
  • the target path loss is an average value of the linear values of the K path losses.
  • the target path loss is linearly related to each of the K path losses.
  • the linear value of the target path loss is linearly related to the linear value of each of the K path losses.
  • the target path loss is the path loss with the largest change among the K path losses.
  • the target path loss is the path loss with the smallest change among the K path losses.
  • the second reference power and the target path loss in the embodiment 8 of the present application are linearly related, and the linear coefficient between the second reference power and the target path loss is the same as that of the embodiment 8.
  • the second reference power in Embodiment 8 of the present application is linearly related to the target path loss
  • the fifth component in Embodiment 8 is linearly related to the sixth component in Embodiment 8.
  • the linear coefficient between the second reference power and the target path loss is the second coefficient described in Embodiment 8; the linear coefficient between the second reference power and the fifth component and the sixth component The coefficients are 1 respectively.
  • the first condition in this application includes: within a first given time window, the difference between the maximum value and the minimum value of the target path loss measured by the first node in this application Exceeds the third given threshold.
  • the first condition in this application includes: within a first given time window, the maximum and minimum value of the first path loss measured by the first node in this application The difference exceeds a first given threshold, and the difference between the maximum value and the minimum value of the target path loss measured by the first node exceeds a third given threshold; for the measurement of the first type of signal in this application Is used to determine the first path loss.
  • the first condition in this application includes: within a first given time window, the maximum and minimum value of the first path loss measured by the first node in this application The difference exceeds a first given threshold; within a second given time window, the difference between the maximum value and the minimum value of the target path loss measured by the first node exceeds a third given threshold.
  • the measurement for the first type of signal in this application is used to determine the first path loss.
  • the fourth reference power and the target path loss in the embodiment 9 of the present application are linearly correlated, and the linear coefficient between the fourth reference power and the target path loss is that of the embodiment 9.
  • the fourth reference power and the target path loss in embodiment 9 in this application are respectively linear, and the seventh component in embodiment 9 and the eighth component in embodiment 9 are linear.
  • the linear coefficient between the fourth reference power and the target path loss is the third coefficient in Embodiment 9; the fourth reference power is between the seventh component and the eighth component
  • the linear coefficients are 1 respectively.
  • the first condition in this application includes: the largest path loss among the K path losses is which of the K path losses has changed.
  • the first condition in this application includes: the smallest path loss among the K path losses is which of the K path losses has changed.
  • the first condition in this application includes: within a first given time window, the difference between the maximum value and the minimum value of the target path loss exceeds a fifth given threshold.
  • Embodiment 18 illustrates a schematic diagram of the second signal according to an embodiment of the present application; as shown in FIG. 18.
  • the transmission power of the second signal is the minimum value of the first power in this application and the second power in this application.
  • the end time of the time domain resource occupied by the second signal is earlier than the start time of the time domain resource occupied by the first signal.
  • the end time of the time domain resource occupied by the second signal is not later than the start time of the time domain resource occupied by the first signaling in this application.
  • the start time of the time domain resource occupied by the second signal is related to the time when the first condition in this application is satisfied.
  • the start time of the time domain resource occupied by the second signal is not earlier than the time when the first condition in this application is satisfied.
  • the end time of the time domain resource occupied by the scheduling signaling of the second signal is earlier than the start time of the time domain resource occupied by the first signal.
  • the end time of the time domain resource occupied by the scheduling signaling of the second signal is no later than the start time of the time domain resource occupied by the first signaling in this application.
  • the start time of the time domain resource occupied by the scheduling signaling of the second signal is related to the time when the first condition in this application is satisfied.
  • the start time of the time domain resource occupied by the scheduling signaling of the second signal is not earlier than the time when the first condition in this application is satisfied.
  • the second signal is a wireless signal.
  • the second signal is a baseband signal.
  • the unit of the transmission power of the second signal is dBm.
  • the second signal carries a TB (Transport Block).
  • the second signal carries SCI (Sidelink Control Information, secondary link control information).
  • the second signal carries information in one or more fields in the SCI.
  • the second signal is transmitted through a Pc5 interface.
  • the second signal is transmitted through a link between the user equipment and the user equipment.
  • the second signal is transmitted through a secondary link.
  • the second signal is transmitted through the uplink.
  • the second signal is transmitted on the PSSCH.
  • the second signal is transmitted on the PSCCH.
  • the second signal is transmitted on PSSCH and PSCCH.
  • the target receiver of the second signal includes the sender of the second type of signal in this application.
  • the second-type signal includes K second-type sub-signals
  • the target receiver of the second signal includes the sender of one second-type sub-signal among the K second-type sub-signals .
  • the second-type signal includes K second-type sub-signals, and measurements on the K second-type sub-signals are respectively used to determine the K path losses in this application;
  • the target receiver of the second signal includes the sender of a given second-type sub-signal, and the given second-type sub-signal is the K number of second-type sub-signals and the target path loss in Embodiment 17.
  • the second type of sub-signal corresponds to the second type of sub-signal.
  • Embodiment 19 illustrates a schematic diagram of the second information according to an embodiment of the present application; as shown in FIG. 19.
  • the second information is used to determine the transmission power of the third signal in this application.
  • the second information is carried by higher layer signaling.
  • the second information is carried by RRC signaling.
  • the second information is carried by MAC CE signaling.
  • the second information is carried by physical layer signaling.
  • the second information includes all or part of information in an IE (Information Element).
  • the second information includes part or all of the information in the PUSCH-PowerControl IE.
  • the second information includes part or all of the information in P0-PUSCH-AlphaSet.
  • PUSCH-PowerControl IE for the specific definition of the PUSCH-PowerControl IE, refer to 3GPP TS38.331.
  • the second information is transmitted through a Pc5 interface.
  • the second information is transmitted through a Uu interface.
  • the second information is transmitted through a link between the base station equipment and the user equipment.
  • the second information is transmitted through the downlink.
  • the second information is transmitted on the PDSCH.
  • the second information is transmitted on the PDCCH.
  • the unit of the transmission power of the third signal is dBm.
  • the transmission power of the third signal is not equal to the transmission power of the second signal in this application.
  • the transmission power of the third signal is greater than the transmission power of the second signal in this application.
  • the transmission power of the third signal is not equal to the minimum value of the first power in this application and the second power in this application.
  • the transmission power of the third signal is greater than the minimum value of the first power and the second power.
  • the transmission power of the third signal is not equal to the first power and the second power.
  • the transmission power of the third signal is equal to the first power.
  • the second information indicates that the transmission power of the third signal is equal to the first power.
  • the second information indicates that the transmission power of the third signal is equal to the second power.
  • the second information indicates that the transmission power of the third signal has nothing to do with the measurement for the first type of signal in this application.
  • the second information indicates that the transmission power of the third signal has nothing to do with the measurement of the second type of signal in this application.
  • the third signal is transmitted on the secondary link; the second information indicates that the transmission power of the third signal is obtained based on the measurement of the reference signal transmitted on the downlink.
  • the third signal is transmitted on the secondary link; the second information indicates that the transmission power of the third signal has nothing to do with the reference signal transmitted on the secondary link.
  • the third signal is transmitted on the secondary link; the second information indicates that the transmission power of the third signal is obtained based on the measurement of the reference signal transmitted on the secondary link.
  • the third signal is transmitted on the secondary link; the second information indicates that the transmission power of the third signal has nothing to do with the reference signal transmitted on the downlink.
  • the second information is used to update the value of the power control parameter for the uplink.
  • the power control parameter used for the uplink includes the first component in Embodiment 7.
  • the power control parameter for uplink includes P 0_PUSCH, b, f, c (j).
  • the power control parameter used for the uplink includes P 0 (j) used for the uplink power control.
  • the power control parameter used for the uplink includes P 0 (j) used for PUSCH power control.
  • the power control parameter used for the uplink includes the first coefficient in the seventh embodiment.
  • the power control parameters used for the uplink include ⁇ b, f, c (j).
  • the power control parameter for uplink includes ⁇ (j) for uplink power control.
  • the power control parameter for uplink includes ⁇ (j) for PUSCH power control.
  • the second information is used to update the value of the power control parameter for the secondary link.
  • the power control parameter for the secondary link includes the fifth component in Embodiment 8.
  • the power control parameter for the secondary link includes the seventh component in Embodiment 9.
  • the power control parameter for the secondary link includes P 0_PSSCH .
  • the power control parameter for the secondary link includes P 0 for power control of the secondary link.
  • the power control parameter for the secondary link includes the second coefficient in Embodiment 8.
  • the power control parameter for the secondary link includes the third coefficient in Embodiment 9.
  • the power control parameter for the secondary link includes ⁇ PSSCH .
  • the power control parameter for the secondary link includes ⁇ for the power control of the secondary link.
  • the second information is used to update the value of the power control parameter for the uplink
  • the updated power control parameter for the uplink is used to determine the third power.
  • the transmission power of the third signal is the minimum value of the third power and the second power.
  • the third power is obtained according to the method for determining the first power in Embodiment 7 using the first coefficient updated by the second information.
  • the third power is obtained according to the method for determining the first power in Embodiment 7 using the first component updated by the second information.
  • the third power is based on the method for determining the first power in Embodiment 7, using the first coefficient and the first coefficient updated by the second information. Get the weight.
  • the second information is used to update the value of the power control parameter for the secondary link; the updated power control parameter for the secondary link is used to determine the fourth power, the The transmission power of the third signal is the minimum value of the first power and the fourth power.
  • the fourth power is obtained according to the method for determining the second power in Embodiment 8 using the second coefficient updated by the second information.
  • the fourth power is obtained according to the method for determining the second power in Embodiment 8 using the fifth component updated by the second information.
  • the fourth power is based on the method for determining the second power in Embodiment 8, using the second coefficient and the fifth coefficient updated by the second information. Get the weight.
  • the fourth power is obtained according to the method for determining the second power in Embodiment 9 using the third coefficient updated by the second information.
  • the fourth power is obtained according to the method for determining the second power in Embodiment 9 using the seventh component updated by the second information.
  • the fourth power is based on the method for determining the second power in Embodiment 9, using the third coefficient and the seventh coefficient updated by the second information. Get the weight.
  • Embodiment 20 illustrates a schematic diagram of the first node sending the third signal in the second time window according to an embodiment of the present application; as shown in FIG. 20.
  • the second time window is later than the time domain resources occupied by the first signal in this application.
  • the third signal is a wireless signal.
  • the third signal is a baseband signal.
  • the third signal carries one TB.
  • the third signal carries SCI.
  • the third signal carries information in one or more fields in the SCI.
  • the third signal carries UCI (Uplink Control Information, uplink control information).
  • UCI Uplink Control Information, uplink control information
  • the third signal is transmitted through a Pc5 interface.
  • the third signal is transmitted through a link between the user equipment and the user equipment.
  • the third signal is transmitted through a secondary link.
  • the third signal is transmitted through the Uu interface.
  • the third signal is transmitted on the PSSCH.
  • the third signal is transmitted on the PSCCH.
  • the third signal is transmitted on PSSCH and PSCCH.
  • the third signal is transmitted on PUSCH.
  • the third signal is transmitted on PUCCH.
  • the second time window is a continuous time period.
  • the start time of the second time window is later than the end time of the time domain resource occupied by the first signal.
  • the start time of the time domain resource occupied by the second information in this application is later than the end time of the time domain resource occupied by the first signal.
  • the target receiver of the third signal is the target receiver of the second signal in this application.
  • the target recipient of the third signal includes the target recipient of the second signal.
  • the target recipient of the third signal does not include the target recipient of the second signal.
  • Embodiment 21 illustrates a structural block diagram of a processing apparatus used in a first node device according to an embodiment of the present application; as shown in FIG. 21.
  • the processing device 2100 in the first node device includes a first processor 2101 and a first transmitter 2102.
  • the first processor 2101 receives the first type of signal or sends the first type of signal, and sends the second type of signal or receives the second type of signal; the first transmitter 2102 sends the first signal.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the first signal carries first information
  • the first information is related to the difference between the second power and the first power
  • the sending of the first information is triggered by a first condition.
  • the first processor 2101 receives first signaling; wherein, the first signaling is used to determine the time-frequency resource occupied by the first signal.
  • the first information includes a first difference
  • the first power and the second power are used to determine the first difference
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the first processor 2101 receives third information; wherein the measurement for the second type of signal is used to determine the third information, and the third information is used to determine the first Two power; the first node device sends the second type of signal.
  • the first processor 2101 receives fourth information; wherein the measurement of the first type of signal is used to determine the fourth information, and the fourth information is used to determine the first A power; the first node device sends the first type of signal.
  • the measurement for the second type of signal is used to determine K path losses, K is a positive integer greater than 1, and the K path losses are used to determine the second power.
  • the first transmitter 2102 transmits a second signal; wherein the transmission power of the second signal is the minimum value of the first power and the second power.
  • the first processor 2101 receives second signaling; wherein, the second signaling is used to determine the time-frequency resource occupied by the second signal.
  • the first processor 2101 receives second information; the first transmitter 2102 sends a third signal in a second time window; wherein, the second information is used to determine the third signal The transmission power of the signal; the second time window is later than the time domain resources occupied by the first signal.
  • the first processor 2101 receives third signaling; wherein, the third signaling is used to determine the time-frequency resources occupied by the third signal.
  • the first node device is user equipment.
  • the first node device is a relay node device.
  • the first processor 2101 includes ⁇ antenna 452, receiver/transmitter 454, receiving processor 456, transmitting processor 468, multi-antenna receiving processor 458, multi-antenna transmitting processing At least one of the controller 457, the controller/processor 459, the memory 460, and the data source 467 ⁇ .
  • the first transmitter 2102 includes ⁇ antenna 452, transmitter 454, transmission processor 468, multi-antenna transmission processor 457, controller/processor 459, memory 460, data source in the fourth embodiment At least one of 467 ⁇ .
  • Embodiment 22 illustrates a structural block diagram of a processing apparatus used in a second node device according to an embodiment of the present application; as shown in FIG. 22.
  • the processing device 2200 in the second node device includes a second processor 2201 and a second receiver 2202.
  • the second processor 2201 sends the first type of signal or receives the first type of signal; the second receiver 2202 receives the first type of signal.
  • the measurement for the first type of signal is used to determine the first power
  • the measurement for the second type of signal is used to determine the second power
  • the second type of signal is different from the first type.
  • the signal is sent by a node device of the sender; the first signal carries first information, and the first information is related to the difference between the second power and the first power; the transmission of the first information is The first condition is triggered.
  • the second processor 2201 sends first signaling; wherein, the first signaling is used to determine the time-frequency resource occupied by the first signal.
  • the first information includes a first difference
  • the first power and the second power are used to determine the first difference
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the second processor 2201 sends fourth information; wherein the measurement for the first type of signal is used to determine the fourth information, and the fourth information is used to determine the first A power; the second node device receives the first type of signal.
  • the measurement for the second type of signal is used to determine K path losses, K is a positive integer greater than 1, and the K path losses are used to determine the second power.
  • the second processor 2201 sends second signaling; where the second signaling is used to determine the time-frequency resources occupied by the second signal in this application.
  • the second processor 2201 sends second information; wherein, the second information is used to determine the transmission power of the third signal; the third signal is sent in the second time window, so The second time window is later than the time domain resource occupied by the first signal.
  • the second processor 2201 sends third signaling; where the third signaling is used to determine the time-frequency resources occupied by the third signal.
  • the second node device is a base station device.
  • the second node device is user equipment.
  • the second node device is a relay node device.
  • the second processor 2201 includes ⁇ antenna 420, receiver/transmitter 418, receiving processor 470, transmitting processor 416, multi-antenna receiving processor 472, multi-antenna transmitting processing 471, controller/processor 475, memory 476 ⁇ .
  • the second receiver 2202 includes ⁇ antenna 420, receiver 418, receiving processor 470, multi-antenna receiving processor 472, controller/processor 475, memory 476 ⁇ in Embodiment 4 At least one.
  • Embodiment 23 illustrates a structural block diagram of a processing apparatus used in a third node device according to an embodiment of the present application; as shown in FIG. 23.
  • the processing device 2300 in the third node device includes a third processor 2301.
  • the third processor 2301 receives the target second-type sub-signal or sends the target second-type sub-signal.
  • the measurement for the first type of signal is used to determine the first power, and the first type of signal is sent by a node device different from the sender of the target second type of sub-signal; the second type The signal includes the target second-type sub-signal, and the measurement of the second-type signal is used to determine the second power; the first information is related to the difference between the second power and the first power; The sending of the first information is triggered by the first condition.
  • the first information includes a first difference
  • the first power and the second power are used to determine the first difference
  • the first condition includes that the difference between the second power and the first power is greater than a first threshold.
  • the third processor 2301 sends the target third sub-information; wherein the measurement of the target second-type sub-signal is used to determine the target third sub-information; the third information includes the Target third sub-information, the third information is used to determine the second power; the third node device receives the target second-type sub-signal.
  • the measurement for the second type of signal is used to determine K path losses, K is a positive integer greater than 1, and the K path losses are used to determine the second power.
  • the third processor 2301 receives the second signal; wherein the transmission power of the second signal is the minimum value of the first power and the second power.
  • the third processor 2301 receives the third signal in a second time window; wherein the second time window is later than the time domain resource used to send the first information.
  • the third node device is user equipment.
  • the third node device is a relay node.
  • the third processor 2301 includes ⁇ antenna 420, transmitter/receiver 418, transmit processor 416, receive processor 470, multi-antenna transmit processor 471, and multi-antenna receive processing in the fourth embodiment. At least one of the controller 472, the controller/processor 475, and the memory 476 ⁇ .
  • Embodiment 24 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 24.
  • the second node U1, the first node U2, and the third node U3 are respectively communication nodes transmitted between each other through an air interface.
  • the second node U1 sends the first type of signal in step S2411.
  • the first node U2 receives the first type signal in step S2421; and receives the target second type sub-signal in step S2422.
  • the third node U3 sends the target second type sub-signal in step S2431.
  • Embodiment 25 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 25.
  • the second node U1, the first node U2, and the third node U3 are respectively communication nodes transmitted between each other through an air interface.
  • the steps in block F251 are optional.
  • the second node U1 receives the first type signal in step S2511.
  • the first node U2 sends the first-type signal in step S2521; sends the target second-type sub-signal in step S2522; and receives the target third sub-information in step S25201.
  • the third node U3 receives the target second type sub-signal in step S2531; and sends the target third sub-information in step S25301.
  • the measurement for the target second-type sub-signal is used by the third node U3 to determine the target third sub-information; the third information in this application includes the target third Sub-information, the third information is used by the first node U2 to determine the second power in this application.
  • the target third sub-signal includes the RSRP of the target second-type sub-signal.
  • Embodiment 26 illustrates a schematic diagram of the third information according to an embodiment of the present application; as shown in FIG. 26.
  • the measurement for the second type signal in this application is used to determine the third information
  • the third information is used to determine the second power in this application.
  • the third information is carried by higher layer signaling.
  • the third information is carried by MAC CE signaling.
  • the third information is carried by physical layer signaling.
  • the third information is transmitted through the Pc5 interface.
  • the third information is transmitted through a secondary link.
  • the third information is transmitted on the PSSCH.
  • the third information is transmitted on the PSCCH.
  • the third information includes the RSRP of the second type of signal.
  • the target receiver of the second type signal includes K nodes, and K is a positive integer greater than 1; the third information includes K third sub-information, and the K third sub-information respectively The RSRP of the second type signal measured by the K nodes is included.
  • the second-type signal includes K second-type sub-signals, K is a positive integer greater than 1, and the K second-type sub-signals are respectively directed to different target receivers; the third information K pieces of third sub-information are included, and the K pieces of third sub-information respectively include RSRPs of the K second-type sub-signals.
  • the K third sub-information are respectively used to determine the K path losses in this application.
  • the third information includes K third sub-information, and K is a positive integer greater than 1, and the K third sub-information is respectively transmitted on K physical layer channels.
  • the K pieces of third sub-information respectively include K pieces of RSRP.
  • the K physical layer channels include PSSCH.
  • the K physical layer channels include PSCCH.
  • the third information is used to determine the second path loss.
  • Embodiment 27 illustrates a schematic diagram of the fourth information according to an embodiment of the present application; as shown in FIG. 27.
  • the measurement for the first type of signal in this application is used to determine the fourth information
  • the fourth information is used to determine the first power in this application.
  • the fourth information is carried by higher layer signaling.
  • the fourth information is carried by MAC CE signaling.
  • the fourth information is carried by physical layer signaling.
  • the fourth information is transmitted through the Pc5 interface.
  • the fourth information is transmitted through a secondary link.
  • the fourth information is transmitted on the PSSCH.
  • the fourth information is transmitted on the PSCCH.
  • the fourth information includes the RSRP of the first type of signal.
  • the fourth information is used to determine the first path loss.
  • each module unit in the above-mentioned embodiment can be realized in the form of hardware or software function module, and this application is not limited to the combination of software and hardware in any specific form.
  • the user equipment, terminal and UE in this application include, but are not limited to, drones, communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, internet cards, in-vehicle communication equipment, low-cost mobile phones, low-cost Cost of wireless communication equipment such as tablets.
  • drones communication modules on drones, remote control aircraft, aircraft, small aircraft, mobile phones, tablets, notebooks, vehicle-mounted communication devices, wireless sensors, network cards, Internet of Things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication) terminals, eMTC (enhanced MTC) terminals, data cards, internet cards, in-vehicle communication equipment, low-cost mobile phones, low-cost Cost of wireless communication equipment such as tablets.
  • the base station or system equipment in this application includes, but is not limited to, macro cell base station, micro cell base station, home base station, relay base station, gNB (NR node B), NR node B, TRP (Transmitter Receiver Point), etc. wireless communication equipment.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil utilisés dans un nœud dans une communication sans fil. Le procédé comprend les étapes suivantes : un premier nœud reçoit ou envoie un premier type de signal ; envoie ou reçoit un second type de signal ; et envoie un premier signal. La mesure du premier type de signal est utilisée pour déterminer une première puissance, et la mesure du second type de signal est utilisée pour déterminer une seconde puissance ; le premier signal transporte des premières informations, les premières informations étant associées à une valeur de différence entre la seconde puissance et la première puissance ; et l'envoi des premières informations est déclenché selon une première condition. Les avantages du procédé mentionné ci-dessus consistent à refléter plus précisément une marge de puissance d'une liaison latérale, et à améliorer les performances de transmission et le taux d'utilisation des ressources de la liaison latérale.
PCT/CN2020/091068 2019-06-03 2020-05-19 Procédé et appareil utilisés dans un nœud dans une radiocommunication WO2020244381A1 (fr)

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